109154016779104 has 96 divisors (see below), whose sum is σ = 236380374558720. Its totient is φ = 49613394117760.

The previous prime is 109154016779047. The next prime is 109154016779111. The reversal of 109154016779104 is 401977610451901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549589517 + ... + 1549659955.

It is an arithmetic number, because the mean of its divisors is an integer number (2462295568320).

Almost surely, 2^{109154016779104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109154016779104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118190187279360).

109154016779104 is an abundant number, since it is smaller than the sum of its proper divisors (127226357779616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109154016779104 is an equidigital number, since it uses as much as digits as its factorization.

109154016779104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106865 (or 106835 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 109154016779104 in words is "one hundred nine trillion, one hundred fifty-four billion, sixteen million, seven hundred seventy-nine thousand, one hundred four".